Prove that if n is any integer not divisible by 5, then n has a square that

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Prove that if n is any integer not divisible by 5, then n has a square that is either of the form 5k+1 or 5k+4, where k is some integer.

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Discrete Mathematics and Its Applications

ISBN: 978-0073383095

7th edition

Authors: Kenneth H. Rosen

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Posted Date: Jun 26, 2020 02:53 AM

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Prove that if n is any integer not divisible by 5, then n has a square that

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Discrete Mathematics and Its Applications

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